Analysis of interatomic Contacts of Structural Units in PDB entry:
4IGQ


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 4IGQ entry

There are 3 chains in PDB entry 4IGQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 139ALA 498
B
 THR 3THR 3
B
 GLN 5GLN 5
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 14 helices in PDB entry 4IGQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
142 146Right-handed 310
Helix 2
2
A
160 165Right-handed alpha
Helix 3
3
A
166 179Right-handed alpha
Helix 4
4
A
201 207Right-handed alpha
Helix 5
5
A
217 219Right-handed 310
Helix 6
6
A
271 287Right-handed alpha
Helix 7
7
A
298 312Right-handed alpha
Helix 8
8
A
355 359Right-handed 310
Helix 9
9
A
396 400Right-handed 310
Helix 10
10
A
418 420Right-handed 310
Helix 11
11
A
421 433Right-handed alpha
Helix 12
12
A
433 440Right-handed alpha
Helix 13
13
A
442 447Right-handed alpha
Helix 14
14
A
452 459Right-handed alpha
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There are 2 sheets in PDB entry 4IGQ. Click on sheet of interest to get list of strands forming it: A, B,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
152 153first strand
Strand 2
A
464 468parallel
Strand 3
A
412 417anti-parallel
Strand 4
A
481 486anti-parallel
Strand 5
A
390 394anti-parallel
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There are 9 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
156 157first strand
Strand 2
A
183 186parallel
Strand 3
A
473 476anti-parallel
Strand 4
A
401 409anti-parallel
Strand 5
A
490 497anti-parallel
Strand 6
A
381 385anti-parallel
Strand 7
A
318 326anti-parallel
Strand 8
A
209 215anti-parallel
Strand 9
A
266 270anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il